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Find the Value of the Second-Order Determinant $\left|\begin{array}{cc}3 a & 5 \\ 2 a & -6\end{array}\right|$

Question 15

Short Answer

Find the value of the second-order determinant: $\left|\begin{array}{cc}3 a & 5 \\ 2 a & -6\end{array}\right|$

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